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Annotation of 43BSD/contrib/emacs/lisp/abbrev.el, revision 1.1

1.1     ! root        1: ;; Abbrev mode commands for Emacs
        !             2: ;; Copyright (C) 1985 Richard M. Stallman.
        !             3: 
        !             4: ;; This file is part of GNU Emacs.
        !             5: 
        !             6: ;; GNU Emacs is distributed in the hope that it will be useful,
        !             7: ;; but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: ;; accepts responsibility to anyone for the consequences of using it
        !             9: ;; or for whether it serves any particular purpose or works at all,
        !            10: ;; unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: ;; License for full details.
        !            12: 
        !            13: ;; Everyone is granted permission to copy, modify and redistribute
        !            14: ;; GNU Emacs, but only under the conditions described in the
        !            15: ;; GNU Emacs General Public License.   A copy of this license is
        !            16: ;; supposed to have been given to you along with GNU Emacs so you
        !            17: ;; can know your rights and responsibilities.  It should be in a
        !            18: ;; file named COPYING.  Among other things, the copyright notice
        !            19: ;; and this notice must be preserved on all copies.
        !            20: 
        !            21: 
        !            22: (defun abbrev-mode (arg)
        !            23:   "Toggle abbrev mode.
        !            24: With arg, turn abbrev mode on iff arg is positive.
        !            25: In abbrev mode, inserting an abbreviation causes it to expand
        !            26: and be replaced by its expansion."
        !            27:   (interactive "P")
        !            28:   (setq abbrev-mode
        !            29:        (if (null arg) (not abbrev-mode)
        !            30:          (> (prefix-numeric-value arg) 0)))
        !            31:   (set-minor-mode 'abbrev-mode "Abbrev" abbrev-mode))
        !            32: 
        !            33: (defvar edit-abbrevs-map nil
        !            34:   "Keymap used in edit-abbrevs.")
        !            35: (if edit-abbrevs-map
        !            36:     nil
        !            37:   (setq edit-abbrevs-map (make-sparse-keymap))
        !            38:   (define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine))
        !            39: 
        !            40: (defun kill-all-abbrevs ()
        !            41:   "Undefine all defined abbrevs."
        !            42:   (interactive)
        !            43:   (let ((tables abbrev-table-name-list))
        !            44:     (while tables
        !            45:       (clear-abbrev-table (symbol-value (car tables)))
        !            46:       (setq tables (cdr tables)))))
        !            47: 
        !            48: (defun insert-abbrevs ()
        !            49:   "Insert after point a description of all defined abbrevs.
        !            50: Mark is set after the inserted text."
        !            51:   (interactive)
        !            52:   (push-mark
        !            53:    (save-excursion
        !            54:     (let ((tables abbrev-table-name-list))
        !            55:       (while tables
        !            56:        (insert-abbrev-table-description (car tables) t)
        !            57:        (setq tables (cdr tables))))
        !            58:     (point))))
        !            59: 
        !            60: (defun list-abbrevs ()
        !            61:   "Display a list of all defined abbrevs."
        !            62:   (interactive)
        !            63:   (display-buffer (prepare-abbrev-list-buffer)))
        !            64: 
        !            65: (defun prepare-abbrev-list-buffer ()
        !            66:   (save-excursion
        !            67:     (set-buffer (get-buffer-create "*Abbrevs*"))
        !            68:     (erase-buffer)
        !            69:     (let ((tables abbrev-table-name-list))
        !            70:       (while tables
        !            71:        (insert-abbrev-table-description (car tables) t)
        !            72:        (setq tables (cdr tables))))
        !            73:     (goto-char (point-min))
        !            74:     (set-buffer-modified-p nil)
        !            75:     (edit-abbrevs-mode))
        !            76:   (get-buffer-create "*Abbrevs*"))
        !            77: 
        !            78: (defun edit-abbrevs-mode ()
        !            79:   "Major mode for editing the list of abbrev definitions.
        !            80: \\{edit-abbrevs-map}"
        !            81:   (interactive)
        !            82:   (setq major-mode 'edit-abbrevs-mode)
        !            83:   (setq mode-name "Edit-Abbrevs")
        !            84:   (use-local-map edit-abbrevs-map))
        !            85: 
        !            86: (defun edit-abbrevs ()
        !            87:   "Alter abbrev definitions by editing a list of them.
        !            88: Selects a buffer containing a list of abbrev definitions.
        !            89: You can edit them and type C-x C-s to redefine abbrevs
        !            90: according to your editing.
        !            91: Buffer contains a header line for each abbrev table,
        !            92:  which is the abbrev table name in parentheses.
        !            93: This is followed by one line per abbrev in that table:
        !            94: NAME   USECOUNT   EXPANSION   HOOK
        !            95: where NAME and EXPANSION are strings with quotes,
        !            96: USECOUNT is an integer, and HOOK is any valid function
        !            97: or may be omitted (it is usually omitted)."
        !            98:   (interactive)
        !            99:   (switch-to-buffer (prepare-abbrev-list-buffer)))
        !           100: 
        !           101: (defun edit-abbrevs-redefine ()
        !           102:   "Redefine abbrevs according to current buffer contents"
        !           103:   (interactive)
        !           104:   (define-abbrevs t))
        !           105: 
        !           106: (defun define-abbrevs (&optional arg)
        !           107:   "Define abbrevs according to current visible buffer contents.
        !           108: See documentation of edit-abbrevs for info on the format of the
        !           109: text you must have in the buffer.
        !           110: With argument, eliminate all abbrev definitions except
        !           111: the ones defined from the buffer now."
        !           112:   (interactive "P")
        !           113:   (if arg (kill-all-abbrevs))
        !           114:   (save-excursion
        !           115:    (goto-char (point-min))
        !           116:    (while (and (not (eobp)) (re-search-forward "^(" nil t))
        !           117:      (let* ((buf (current-buffer))
        !           118:            (table (read buf))
        !           119:            abbrevs)
        !           120:        (forward-line 1)
        !           121:        (while (progn (forward-line 1)
        !           122:                     (not (eolp)))
        !           123:         (setq name (read buf) count (read buf) exp (read buf))
        !           124:         (skip-chars-backward " \t\n\f")
        !           125:         (setq hook (if (not (eolp)) (read buf)))
        !           126:         (skip-chars-backward " \t\n\f")
        !           127:         (setq abbrevs (cons (list name exp hook count) abbrevs)))
        !           128:        (define-abbrev-table table abbrevs)))))
        !           129: 
        !           130: (defun read-abbrev-file (file &optional quietly)
        !           131:   "Read abbrev definitions from file written with write-abbrev-file.
        !           132: Takes file name as argument."
        !           133:   (interactive "fRead abbrev file: ")
        !           134:   (load (if (and file (> (length file) 0)) file abbrev-file-name)
        !           135:        nil quietly)
        !           136:   (setq abbrevs-changed nil))
        !           137: 
        !           138: (defun quietly-read-abbrev-file (file)
        !           139:   "Read abbrev definitions from file written with write-abbrev-file.
        !           140: Takes file name as argument."
        !           141:   ;(interactive "fRead abbrev file: ")
        !           142:   (read-abbrev-file file t))
        !           143: 
        !           144: (defun write-abbrev-file (file)
        !           145:   "Write all abbrev definitions to file of Lisp code.
        !           146: The file can be loaded to define the same abbrevs."
        !           147:   (interactive "FWrite abbrev file: ")
        !           148:   (or (and file (> (length file) 0))
        !           149:       (setq file abbrev-file-name))
        !           150:   (save-excursion
        !           151:    (set-buffer (get-buffer-create " write-abbrev-file"))
        !           152:    (erase-buffer)
        !           153:    (let ((tables abbrev-table-name-list))
        !           154:      (while tables
        !           155:        (insert-abbrev-table-description (car tables) nil)
        !           156:        (setq tables (cdr tables))))
        !           157:    (write-region 1 (point-max) file)
        !           158:    (erase-buffer)))
        !           159: 
        !           160: (defun add-mode-abbrev (arg)
        !           161:   "Define mode-specific abbrev for last word(s) before point.
        !           162: Argument is how many words before point form the expansion;
        !           163: or zero means the region is the expansion.
        !           164: A negative argument means to undefine the specified abbrev.
        !           165: Reads the abbreviation in the minibuffer."
        !           166:   (interactive "p")
        !           167:   (add-abbrev
        !           168:    (if only-global-abbrevs
        !           169:        global-abbrev-table 
        !           170:      (or local-abbrev-table
        !           171:         (error "No per-mode abbrev table.")))
        !           172:    "Mode" arg))
        !           173: 
        !           174: (defun add-global-abbrev (arg)
        !           175:   "Define global (all modes) abbrev for last word(s) before point.
        !           176: Argument is how many words before point form the expansion;
        !           177: or zero means the region is the expansion.
        !           178: A negative argument means to undefine the specified abbrev.
        !           179: Reads the abbreviation in the minibuffer."
        !           180:   (interactive "p")
        !           181:   (add-abbrev global-abbrev-table "Global" arg))
        !           182: 
        !           183: (defun add-abbrev (table type arg)
        !           184:   (let ((exp (and (>= arg 0)
        !           185:                  (buffer-substring
        !           186:                   (point)
        !           187:                   (if (= arg 0) (mark)
        !           188:                     (save-excursion (forward-word (- arg)) (point))))))
        !           189:        name)
        !           190:     (setq name (read-string (format "%s abbrev for \"%s\": "
        !           191:                                    type exp)))
        !           192:     (if (or (null exp)
        !           193:            (not (abbrev-expansion name table))
        !           194:            (y-or-n-p (format "%s expands to \"%s\"; redefine? "
        !           195:                              name (abbrev-expansion name table))))
        !           196:        (define-abbrev table (downcase name) exp))))
        !           197:        
        !           198: (defun inverse-add-mode-abbrev (arg)
        !           199:   "Define last word before point as a mode-specific abbrev.
        !           200: With argument N, defines the Nth word before point.
        !           201: Reads the expansion in the minibuffer.
        !           202: Expands the abbreviation after defining it."
        !           203:   (interactive "p")
        !           204:   (inverse-add-abbrev
        !           205:    (if only-global-abbrevs
        !           206:        global-abbrev-table 
        !           207:      (or local-abbrev-table
        !           208:         (error "No per-mode abbrev table.")))
        !           209:    "Mode" arg))
        !           210: 
        !           211: (defun inverse-add-global-abbrev (arg)
        !           212:   "Define last word before point as a global (mode-independent) abbrev.
        !           213: With argument N, defines the Nth word before point.
        !           214: Reads the expansion in the minibuffer.
        !           215: Expands the abbreviation after defining it."
        !           216:   (interactive "p")
        !           217:   (inverse-add-abbrev global-abbrev-table "Global" arg))
        !           218: 
        !           219: (defun inverse-add-abbrev (table type arg)
        !           220:   (let (name nameloc exp)
        !           221:     (save-excursion
        !           222:      (forward-word (- arg))
        !           223:      (setq name (buffer-substring (point) (progn (forward-word 1)
        !           224:                                               (setq nameloc (point))))))
        !           225:     (setq exp (read-string (format "%s expansion for \"%s\": "
        !           226:                                   type name)))
        !           227:     (if (or (not (abbrev-expansion name table))
        !           228:            (y-or-n-p (format "%s expands to \"%s\"; redefine? "
        !           229:                              name (abbrev-expansion name table))))
        !           230:        (progn
        !           231:         (define-abbrev table (downcase name) exp)
        !           232:         (save-excursion
        !           233:          (goto-char nameloc)
        !           234:          (expand-abbrev))))))
        !           235: 
        !           236: (defun abbrev-prefix-mark (&optional arg)
        !           237:   "Mark current point as the beginning of an abbrev.
        !           238: Abbrev to be expanded starts here rather than at
        !           239: beginning of word.  This way, you can expand an abbrev
        !           240: with a prefix: insert the prefix, use this command,
        !           241: then insert the abbrev."
        !           242:   (interactive "P")
        !           243:   (or arg (expand-abbrev))
        !           244:   (setq abbrev-start-location (point-marker)
        !           245:        abbrev-start-location-buffer (current-buffer)))
        !           246: 
        !           247: (defun expand-region-abbrevs (start end &optional noquery)
        !           248:   "For abbrev occurrence in the region, offer to expand it.
        !           249: The user is asked to type y or n for each occurrence.
        !           250: A numeric argument means don't query; expand all abbrevs.
        !           251: Calling from a program, arguments are START END &optional NOQUERY."
        !           252:   (interactive "r")
        !           253:   (save-excursion
        !           254:     (goto-char (min start end))
        !           255:     (let ((lim (- (point-max) (max start end))))
        !           256:       (while (and (not (eobp))
        !           257:                  (progn (forward-word 1)
        !           258:                         (<= (point) (- (point-max) lim))))
        !           259:        (let ((modp (buffer-modified-p)))
        !           260:          (if (expand-abbrev)
        !           261:              (progn
        !           262:               (set-buffer-modified-p modp)
        !           263:               (unexpand-abbrev)
        !           264:               (if (or noquery (y-or-n-p "Expand this? "))
        !           265:                   (expand-abbrev)))))))))

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